build: Fixing of includes
diff --git a/model/ndn-app-face.hpp b/model/ndn-app-face.hpp
index 029dd0a..3663be0 100644
--- a/model/ndn-app-face.hpp
+++ b/model/ndn-app-face.hpp
@@ -22,7 +22,7 @@
 #ifndef NDN_APP_FACE_H
 #define NDN_APP_FACE_H
 
-#include "ndn-face.h"
+#include "ndn-face.hpp"
 #include "ns3/traced-callback.h"
 
 namespace ns3 {